2FIQ

Crystal structure of putative tagatose 6-phosphate kinase

• PDB DOI: https://doi.org/10.2210/pdb2FIQ/pdb

• Classification: TRANSFERASE
• Organism(s): Escherichia coli O157:H7
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2005-12-30 Released: 2006-04-04 
• Deposition Author(s): Ramagopal, U.A., Fedorov, E., Almo, S.C., Burley, S.K., New York SGX Research Center for Structural Genomics (NYSGXRC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.25 Å
• R-Value Free: 0.233 
• R-Value Work: 0.187 
• R-Value Observed: 0.187 

Literature

Crystal structure of putative tagatose 6-phosphate kinase

Ramagopal, U.A., Fedorov, E., Almo, S.C.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 3 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 190.17 kDa 
• Atom Count: 13,793 
• Modelled Residue Count: 1,637 
• Deposited Residue Count: 1,680 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
putative tagatose 6-phosphate kinase 1	A, B, C, D	420	Escherichia coli O157:H7	Mutation(s): 10  Gene Names: ECs2898 EC: 2.7.1.101
UniProt
Find proteins for Q8X7H4 (Escherichia coli O157:H7) Explore Q8X7H4  Go to UniProtKB:  Q8X7H4

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B, C, D	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.25 Å
• R-Value Free: 0.233 
• R-Value Work: 0.187 
• R-Value Observed: 0.187 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 92.352	α = 90
b = 100.001	β = 90
c = 206.549	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
CBASS	data collection
SHELXE	model building
RESOLVE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-04-04 
Deposition Author(s): Ramagopal, U.A., Fedorov, E., Almo, S.C., Burley, S.K., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2006-04-04
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Source and taxonomy, Version format compliance
• Version 1.3: 2017-10-18
  Changes: Advisory, Refinement description
• Version 1.4: 2021-02-03
  Changes: Database references, Derived calculations, Structure summary